1.
What is the greatest number that exactly divides 105, 1008 and 2436 ?
2.
The product of two numbers is 1280 and their H.C.F. is 8. What will be the L.C.M. of the two numbers ?
3.
Use the digits 3,4 and 5 to form the largest and the smallest mixed fractions. What is the sum of the two fractions?
4.
The sum of the ages of three persons is 100 years. what will be the sum of their ages after 5 years:
5.
An apple is 40 cents, a banana is 60 cents and a grapefruit is 80 cents. How much is a papaya?
6.
The value of (8 ÷ 88) 'y' = 333333. Find 'y' :
7.
Which digits have the same place value and face value in the number 4560923 ?
8.
Find the value of 'x' if 2/3 x +3/8 =3/8
9.
When 0.68 is written in fraction as its simplest form, what will be the sum of its denominator and numerator ?
10.
Find the HCF of first sixteen even multiples of 17.
11.
Of six consecutive numbers, the sum of first three is 27. what is the average of next three ?
12.
CP of 12 articles is equal to the SP of 15 articles. Find profit or loss percent.
13.
The product of two co -prime numbers is 117. What is their L.C.M. ?
14.
The ratio of two numbers is 7 : 8 and their H.C.F. is 4. What is their L.C.M. ?
15.
What is the least number which when decreased by 7 is divisible by each of the numbers 10, 15, 30 and 36 separately ?
16.
Simplify: 9 + 2 x 6 ÷ 4 − 12 ÷ 6 x 2
17.
The value of 3360 ÷ 14 x 6 + 340 is:
18.
The simplified value of (7+3)6 ÷ 4 – 12 ÷ 6 is :
19.
What is the value of 128 ÷ 8 ÷ 4 ÷ 2 ?
20.
How many prime numbers are there in the first 150 natural numbers?